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Analysis of Binding State of Heat Treated Diamond Powder
Current Issue
Volume 1, 2014
Issue 1 (April)
Pages: 7-10   |   Vol. 1, No. 1, April 2014   |   Follow on         
Paper in PDF Downloads: 23   Since Aug. 28, 2015 Views: 1595   Since Aug. 28, 2015
Authors
[1]
K. Iizuka , Nippon Institute of Technology, 4-1 Gakuendai, Miyashiro, Minami-Saitama, Saitama 3458501, Japan.
[2]
Y. Furukawa , Nippon Institute of Technology, 4-1 Gakuendai, Miyashiro, Minami-Saitama, Saitama 3458501, Japan.
[3]
R. Oshima , Nippon Institute of Technology, 4-1 Gakuendai, Miyashiro, Minami-Saitama, Saitama 3458501, Japan.
Abstract
Diamond surface is stability in atmospheric condition. It is well known that chemical treatment of a diamond surface by sulfuric or nitric acid adds oxygen atoms to the surface. In this study, we examined single-crystal and polycrystalline diamond powder, boiled in sulfuric or nitric acid then heated in ultra-high vacuum (UHV). Analysis of the surface state was carried out by X-ray photoelectron spectroscopy (XPS). The single-crystal diamond powder presented various oxygen states, such as alcohol and ether. Moreover, it was revealed than binding state of diamond surface which oxygen was sublimated by heat treatment in UHV condition was changed. On the other hand, the binding state of the polycrystalline diamond powder did not change from the initial ether combination.
Keywords
Diamond Powder, X-Ray Photoelectron Spectroscopy, Ultra-High Vacuum, Binding State, Sulfuric Acid Treatment, Nitric Acid Treatment
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